package inClass;

public class testDemo01 {
    public static void main(String[] args) {
        Demo01 demo01 = new Demo01();
        Demo01.inDemo01 indemo01 = demo01.new inDemo01();
        //Demo01.inDemo01 indemo01 = new Demo01().new inDemo01();//两条合并一条去使用
        demo01.setNum(111);
        demo01.setPlace("beijin");

        indemo01.setAge(18);
        indemo01.printDemo01();
    }
}
